Some earphones track heart rate and oxygen levels using Photoplethysmography and Pulse Oximetry, integrating wellness ...

Humans evolved in an atmosphere containing roughly 200–300 parts per million (ppm) of carbon dioxide (CO₂). Today, that figure sits above 420 ppm, higher than at any point in the history of our ...

Quitting smoking is one of the most powerful decisions you can make for your health. Cigarettes contain thousands of harmful chemicals that affect nearly every organ in the body. When you stop smoking ...

After 24 hours without smoking, the brain experiences intense nicotine withdrawal symptoms—including irritability, anxiety, and cravings—as the body eliminates toxins. While brain chemistry adjusts to ...

A genetic mutation tied to keeping the brain healthy at high altitudes may point to a way to repair nerve damage, experiments in mice show.

Low oxygen and rising carbon dioxide in mangrove waters may shrink critical nursery habitat for young fish and threaten ...

Midland says water turbidity is back to normal after manganese caused cloudy water in late winter; no health risk or ...

A newly mated bumblebee queen typically spends the winter alone underground. After mating in late summer or fall, she burrows into the soil and slips into diapause, an insect state of suspended ...

Every year, nearly 900,000 Americans are affected by venous thromboembolism (VTE), a condition in which blood clots form in ...

Thu, Mar 12, 2026 Parents across the UK are being urged to check whether they could qualify for a £12.50 broadband tariff as ...

Fatigue, irritability and poor concentration in teenage girls may sometimes signal low iron levels rather than routine teenage stress. Dr Prashanth B explains why iron deficiency is common in ...

This article was reviewed by Felix Gussone, MD. Testosterone does more than drive puberty. It influences drive, mood, motivation, and aspects of overall energy. Produced mainly in the testes, this ...